cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hns3_dcbnl.c (2359B)

      1// SPDX-License-Identifier: GPL-2.0+
      2// Copyright (c) 2016-2017 Hisilicon Limited.
      3
      4#include "hnae3.h"
      5#include "hns3_enet.h"
      6
      7static int hns3_dcbnl_ieee_getets(struct net_device *ndev, struct ieee_ets *ets)
      8{
      9	struct hnae3_handle *h = hns3_get_handle(ndev);
     10
     11	if (hns3_nic_resetting(ndev))
     12		return -EBUSY;
     13
     14	if (h->kinfo.dcb_ops->ieee_getets)
     15		return h->kinfo.dcb_ops->ieee_getets(h, ets);
     16
     17	return -EOPNOTSUPP;
     18}
     19
     20static int hns3_dcbnl_ieee_setets(struct net_device *ndev, struct ieee_ets *ets)
     21{
     22	struct hnae3_handle *h = hns3_get_handle(ndev);
     23
     24	if (hns3_nic_resetting(ndev))
     25		return -EBUSY;
     26
     27	if (h->kinfo.dcb_ops->ieee_setets)
     28		return h->kinfo.dcb_ops->ieee_setets(h, ets);
     29
     30	return -EOPNOTSUPP;
     31}
     32
     33static int hns3_dcbnl_ieee_getpfc(struct net_device *ndev, struct ieee_pfc *pfc)
     34{
     35	struct hnae3_handle *h = hns3_get_handle(ndev);
     36
     37	if (hns3_nic_resetting(ndev))
     38		return -EBUSY;
     39
     40	if (h->kinfo.dcb_ops->ieee_getpfc)
     41		return h->kinfo.dcb_ops->ieee_getpfc(h, pfc);
     42
     43	return -EOPNOTSUPP;
     44}
     45
     46static int hns3_dcbnl_ieee_setpfc(struct net_device *ndev, struct ieee_pfc *pfc)
     47{
     48	struct hnae3_handle *h = hns3_get_handle(ndev);
     49
     50	if (hns3_nic_resetting(ndev))
     51		return -EBUSY;
     52
     53	if (h->kinfo.dcb_ops->ieee_setpfc)
     54		return h->kinfo.dcb_ops->ieee_setpfc(h, pfc);
     55
     56	return -EOPNOTSUPP;
     57}
     58
     59/* DCBX configuration */
     60static u8 hns3_dcbnl_getdcbx(struct net_device *ndev)
     61{
     62	struct hnae3_handle *h = hns3_get_handle(ndev);
     63
     64	if (h->kinfo.dcb_ops->getdcbx)
     65		return h->kinfo.dcb_ops->getdcbx(h);
     66
     67	return 0;
     68}
     69
     70/* return 0 if successful, otherwise fail */
     71static u8 hns3_dcbnl_setdcbx(struct net_device *ndev, u8 mode)
     72{
     73	struct hnae3_handle *h = hns3_get_handle(ndev);
     74
     75	if (h->kinfo.dcb_ops->setdcbx)
     76		return h->kinfo.dcb_ops->setdcbx(h, mode);
     77
     78	return 1;
     79}
     80
     81static const struct dcbnl_rtnl_ops hns3_dcbnl_ops = {
     82	.ieee_getets	= hns3_dcbnl_ieee_getets,
     83	.ieee_setets	= hns3_dcbnl_ieee_setets,
     84	.ieee_getpfc	= hns3_dcbnl_ieee_getpfc,
     85	.ieee_setpfc	= hns3_dcbnl_ieee_setpfc,
     86	.getdcbx	= hns3_dcbnl_getdcbx,
     87	.setdcbx	= hns3_dcbnl_setdcbx,
     88};
     89
     90/* hclge_dcbnl_setup - DCBNL setup
     91 * @handle: the corresponding vport handle
     92 * Set up DCBNL
     93 */
     94void hns3_dcbnl_setup(struct hnae3_handle *handle)
     95{
     96	struct net_device *dev = handle->kinfo.netdev;
     97
     98	if ((!handle->kinfo.dcb_ops) || (handle->flags & HNAE3_SUPPORT_VF))
     99		return;
    100
    101	dev->dcbnl_ops = &hns3_dcbnl_ops;
    102}